public function delete($id)
 {
     $products = Product::where('distributor_id', $id)->where('status', 'publish')->get();
     if ($products != '') {
         foreach ($products as $product) {
             $order = OrderDetail::where('product_id', $product->id)->where('review', '')->first();
             if ($order != '') {
                 return redirect('master/distributor/list')->with('error', 'Maaf masih terdapat order dari produk distributor yang belum selesai');
             }
         }
     }
     if ($item != '') {
         return redirect('master/distributor/list')->with('error', 'Maaf masih terdapat produk distributor yang aktif. Silahkan non-aktifkan');
     } else {
         Distributor::find($id)->delete();
         return redirect('master/distributor/list');
     }
 }